患儿,男,10岁。因自幼体弱、纳差、面黄,加重20天以贫血原因待查于1989年3月30日收住院。患儿自幼体弱纳差,无发热、咳嗽、呕吐或腹泻,无鼻衄及其他出血现象,曾多次在当地按佝偻病、营养不良,贫血等诊治,无明显疗效.患儿为第1胎,第1产,顺产,7个月早产,出生体重约1kg.其母孕姗无任何病史记载,生后人工喂养.生长发育落后,3岁始 Children, male, 10 years old. Because of childhood frail, anorexia, face yellow, aggravating 20 days to anemia to be investigated in March 30, 1989 admitted to hospital. Childhood infirmity, no fever, cough, vomiting or diarrhea, no nose and other bleeding, has many times in the local diagnosis and treatment of rickets, malnutrition, anemia, no significant effect in children with the first Birth, birth, 7 months of prematurity, birth weight of about 1kg. The mother did not have any medical records history, postnatal feeding. Growth and development of backward, 3 years old